The Vivo Y66 comes with a 5.5-inch IPS LCD HD (720 x 1,280 pixels) display which has a pixel density of 267ppi. Inside the phone, there is a 1.4GHz octa core processor aided by 3GB of RAM and Adreno 505 for driving the system. The smartphone boots on Android v6.0 (Marshmallow) operating system and features Smart Split 2.0, letting the user to split the screen in two, say dual multitasking at the same time.